2001 RA18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5959237328 ± 7.87e-09
Semi-major axis (a)2.6000613537 AU ± 1.92e-09
Inclination (i)10.99850563° ± 2.38e-06
Long. of Asc. Node (Ω)179.63654998° ± 7.44e-06
Arg. of Perihelion (ω)205.86596005° ± 9.15e-06
Mean Anomaly (M)263.71411846° ± 1.56e-06
Mean Motion (n)0.2350914756°/day ± 2.61e-10
Perihelion dist (q)1.05062309 AU ± 2.05e-08
Aphelion dist (Q)4.14949962 AU ± 2.07e-08
Orbital Period4.19252242 yr ± 4.65e-09
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeAmor
MOID0.071961 AU
Observations Used332
Oppositions17
Arc Total2001-2023
First Observation Used2001-06-15
Last Observation Used2023-01-22
Observations (357)
Date Type RA Dec Mag Band Observatory
2022-11-17 04:20:13 C 02 06 20.702 -44 48 18.58 V W68
2022-11-21 04:14:16 C 02 35 03.449 -41 58 50.63 V W68
2022-11-21 04:18:15 C 02 35 04.486 -41 58 42.71 V W68
2022-11-21 04:26:27 C 02 35 06.576 -41 58 27.26 V W68
2022-11-21 04:41:15 C 02 35 10.373 -41 57 58.90 V W68
2022-11-22 22:10:11 C 02 45 52.018 -40 38 51.22 V M22
2022-11-22 22:14:43 C 02 45 53.076 -40 38 42.04 V M22
2022-11-22 22:25:09 C 02 45 55.502 -40 38 21.91 V M22
2022-11-22 23:14:44 C 02 46 07.109 -40 36 44.17 V M22
2022-11-23 03:59:20 C 02 47 17.614 -40 27 35.82 V W68
2022-11-23 04:13:52 C 02 47 20.986 -40 27 07.09 V W68
2022-11-23 04:46:57 C 02 47 28.608 -40 26 01.75 V W68
2022-11-23 04:54:10 C 02 47 30.274 -40 25 47.32 V W68
2022-11-23 22:32:28 C 02 51 42.360 -39 51 19.62 V M22
2022-11-23 22:37:02 C 02 51 43.363 -39 51 10.48 V M22
2022-11-23 22:46:10 C 02 51 45.394 -39 50 52.44 V M22
2022-11-23 23:11:34 C 02 51 51.038 -39 50 01.21 V M22
2022-11-24 22:10:07 C 02 57 05.256 -39 04 43.10 V M22
2022-11-24 22:14:43 C 02 57 06.254 -39 04 33.92 V M22
2022-11-24 22:23:57 C 02 57 08.182 -39 04 15.67 V M22
2022-11-24 22:40:17 C 02 57 11.597 -39 03 42.95 V M22
2022-11-25 03:46:27 C 02 58 19.766 -38 53 37.64 V W68
2022-11-25 03:51:38 C 02 58 20.839 -38 53 27.20 V W68
2022-11-25 04:01:24 C 02 58 22.884 -38 53 08.09 V W68
2022-11-25 04:50:56 C 02 58 33.113 -38 51 28.30 V W68
2022-11-27 04:27:11 C 03 08 27.067 -37 16 17.36 V W68
2022-11-27 04:31:43 C 03 08 27.883 -37 16 08.22 V W68
2022-11-27 04:39:30 C 03 08 29.345 -37 15 52.06 V W68
2022-11-27 04:54:26 C 03 08 32.119 -37 15 22.14 V W68
2022-11-27 22:16:55 C 03 11 54.425 -36 40 24.49 V M22
2022-11-27 22:21:49 C 03 11 55.306 -36 40 14.84 V M22
2022-11-27 22:29:52 C 03 11 56.762 -36 39 58.50 V M22
2022-11-27 23:20:57 C 03 12 05.914 -36 38 13.99 V M22
2022-11-29 03:48:27 C 03 17 21.530 -35 40 57.22 V W68
2022-11-29 04:34:40 C 03 17 29.316 -35 39 23.44 V W68
2022-11-29 04:38:42 C 03 17 29.976 -35 39 15.19 V W68
2022-11-29 04:47:12 C 03 17 31.394 -35 38 57.77 V W68
2022-11-30 04:09:00 C 03 21 36.122 -34 51 54.32 V W68
2022-11-30 04:16:36 C 03 21 37.313 -34 51 38.77 V W68
2022-11-30 04:20:35 C 03 21 37.927 -34 51 30.71 V W68
2022-11-30 04:35:03 C 03 21 40.279 -34 51 01.30 V W68
2022-12-01 08:33:33 C 03 26 18.801 -33 55 12.02 U F52
2022-12-01 08:45:21 C 03 26 20.564 -33 54 48.36 U F52
2022-12-01 09:08:59 C 03 26 24.095 -33 54 01.21 U F52
2022-12-01 19:35:29 C 03 28 04.591 -33 32 36.17 V M22
2022-12-01 19:38:43 C 03 28 05.083 -33 32 29.33 V M22
2022-12-01 19:42:49 C 03 28 05.738 -33 32 21.12 V M22
2022-12-01 19:50:39 C 03 28 06.859 -33 32 05.89 V M22
2022-12-04 08:57:57 C 03 37 09.355 -31 30 43.88 U F52
2022-12-04 09:13:27 C 03 37 11.360 -31 30 13.18 U F52